Composition of matter



' lUb. uuwlruol l was,

' gravity of 17, ata temperature of 70 degrees of the body of the mixture, so that when n halt i pounds of flower of sulpzhuri and ortland cement flower of sul brought to a specific gravi y 0 Patented Oct. 26, 1926.

UNITED STATES PATENT OFFICE.

HUGH W. JOHNSTON AND MEADE P. KILLER, OF HOUSTON, TEXAS.

COMPOSITION OF MATTER.

No Drawing. Application filed May 31, 1924. Serial No. 717,164.

This invention relates to new and useful 1;) of a pound of alum in one (1) gallon improvements in a composition of matter of water. The liquid mixture thus obtained for forming artificial stone; the invention is mixed with the dry mixture above dealso comprehends the process by means of fined until it is reduced into a plastic mass. which the product above designated is pro- The liquid solution dissolves the cement to a duced. fine grainless paste, so that when the natural The invention has for its object the prochemical action of the cement takes place, duction of artificial marble, stone, tile or there are no air bubbles in the cement to veneering. cause shrinkage. The liquid solution above The ingredients are Portlandpern enfiflowdescribed causes the cement to become a er of sulphur, talc gowdi'jahd' a lorinp, uniform plastic mass in proper condition to in them of "dry powder, the above 111- receive any color which it may be desired gredients being thoroughly mixed and sifted. to incorporate into the mixture, and we have This constitutes the dry mixture. The comincorporated into the mixture certain inposition also includes alcium chloride made gredients, particularly flower of sulphur and into the form of a brine having a specific alum to hold firmly the colors as a part F. Iron oxide and alum water are added used for outside work, and subjected to the to this Brine. This liquid is used to reduce weather the colors will be retained. the dry mixture to a paste. The mixture may be colored to imitate The above mentioned ingredients are commarble, stone, or tile, and can be used for bined in the proportions and manner stated, veneering concrete work. as follows What we claim is 1-- To each one hundred (100) pounds of The method herein described of forming cement there is added one 1) and one a e which consists in mixing hur an lc one (1) pound of ta c ow er an e reowder toget er formlng a ry mixture, quired amount of colormg matter in the t'liwfoi'rn'i'n' gamixture of calcium chloride, form of a dry powder. These ingredients iron oxide and alum water combined in the are mixed thoroughly in their dry state. proportions substantially as described and When this mixture is to be used it is mingled finally reducing said dry mixture to plastic with a brine formed of calcium chloride state by mingling therewith said liquid mix- 1, at a temture, substantially as described.

perature of 70 degrees F., to which is add- In testimony whereof we have. signed our ed one-fourth 4) ounce of iron oxide and names to this specification. one-half pint of al m water Tor each gallon of the calcium rine. his alum HUGH W. JOHNSTON. water is obtained by dissolving three-fourths MEADE P. MILLER. 

